Are there building permits at 18 Castleton St, Boston?

18 Castleton St has 15 municipal building permits on record, with the latest activity dated Jan 1, 2026.

What construction activity is near 18 Castleton St?

4 mapped permits were found within 500 m of 18 Castleton St.

What is the declared permit value at 18 Castleton St?

Permits recorded at 18 Castleton St represent $50K–$100K in total declared construction value.

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PropertyLabsBostonAddress intelligence

18 Castleton St

Building permit intelligence · Boston, MA

15 at this address4 nearby within 500 m

18 Castleton St has 15 municipal building permits on file in Ward 10. The latest recorded activity was a plumbing permit dated Jan 1, 2026. Permits at this address represent $50K–$100K in total declared construction value. PropertyLabs also identified 4 mapped permits within 500 m of this address.

At this address: 15
Nearby (500 m): 4
Latest activity: Jan 1, 2026
Total permitted value: $50K–$100K

Permit activity timeline

PLUMBING · 1-2FAMOpenValue not reportedJan 1, 2026
Plumbing
PLUMBING · 1-2FAMOpenValue not reportedJan 1, 2026
Plumbing
PLUMBING · 1-2FAMOpenValue not reportedJan 1, 2026
Plumbing
PLUMBING · 1-2FAMOpenValue not reportedJan 1, 2026
Plumbing
PLUMBING · 1-2FAMOpenValue not reportedJan 1, 2026
Plumbing
PLUMBING · 1-2FAMOpenValue not reportedJan 1, 2026
Plumbing

Development activity near 18 Castleton St

4 mapped permits within 500 m, shown on the intelligence map above.

Browse recent permits near this address

More permits on Castleton St

12 other addresses on Castleton St with municipal permit records in Boston.

All Castleton St permits

18 Castleton St in the Boston permit market

This address has 15 permit records in PropertyLabs' public history and is located in Ward 10. The city figures below provide context without changing the focus of this exact-address record.

Explore Boston building permits

City address-linked rows: 658,435
City, trailing 90 days: 0
City, trailing 30 days: 0

City coverage counts address-linked rows and does not add overlapping canonical tables. Rolling windows are inclusive, use UTC boundaries, and end Aug 4, 2026.

Permit questions about 18 Castleton St

Are there building permits at this address?: 18 Castleton St has 15 municipal building permits on record, with the latest activity dated Jan 1, 2026.
What construction activity is nearby?: 4 mapped permits were found within 500 m of 18 Castleton St.
What is the declared permit value?: Permits recorded at 18 Castleton St represent $50K–$100K in total declared construction value.

About this address record

PropertyLabs compiled this permit history from municipal public records for Boston, MA. The latest recorded permit activity at 18 Castleton St is dated Jan 1, 2026. Municipal records can be corrected or updated after publication.

Sources and data notes

Published by Boston, MA via Boston Open Data.
Municipal sources remain authoritative for permit status and details.
Coverage context: PropertyLabs Coverage Observatory and the permit-data methodology.
Address research workflow: how to check building permits for an address.
City research: Boston Building Permit Activity Through July 19, 2026.
Declared values may be applicant-reported and are not independently verified. See what declared construction value means.
Permit issuance does not confirm that construction has started.
Records may be delayed, revised, or incomplete relative to the municipal source.
Spot an error? Contact us with a correction.

Contractors and applicants associated with these permits

See the contractors, applicants, permit holders, permit numbers, and project documents associated with 18 Castleton St in the PropertyLabs platform, along with alerts when new permits are filed at this address.

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